now nine states and the district of columbia allow same-sex unions. can public opinion drive the supreme court's decn? >> the justices are hum beings. they're oune the real question will be, do they want to be on the wrong side of history? >> reporter: an abc news poll less than a month ago shows that the majority of americans, 51, now support gay marri the justices will hear arguments we should hear them this su >> daehank >>> of course, same-sex marriage and the fiscal cliff part of gge' th first thing in the morning the guests include james carville, mary matalin, and paul >>> and no t arn i for much of the coun freeze moving in. heavy snowfalling. look at these pictures of some tough driving out there already. ginger zee doing double duty today after "gma" this morning. you pointed out to me befor we came onhe athe untwhy ke >> it's been mild and painfully dry. today, a snow-starved nation gets an appetizer. michigan, one to three inches of snow. from grand rapids to saginaw, some really beautiful pictures. a lot of folks telling me, we're ready f